21948809472

Names of 21948809472

• Cardinal: 21948809472 can be written as Twenty-one billion, nine hundred forty-eight million, eight hundred nine thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.1948809472 × 10¹⁰

Factors of 21948809472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 490

Divisors of 21948809472

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 31 32 36 46 48 62 64 69 72 92 93 96 124 128 138 144 184 186 192 207 248 256 276 279 288 368 372 384 414 431 496 552 558 576 713 736 744 768 828 862 961 992 1104 1116 1152 1293 1426 1472 1488 1656 1724 1922 1984 2139 2208 2232 2304 2586 2852 2883 2944 2976 3312 3448 3844 3879 3968 4278 4416 4464 5172 5704 5766 5888 5952 6417 6624 6896 7688 7758 7936 8556 8649 8832 8928 9913 10344 11408 11532 11904 12834 13248 13361 13792 15376 15516 17112 17298 17664 17856 19826 20688 22103 22816 23064 23808 25668 26496 26722 27584 29739 30752 31032 34224 34596 35712 39652 40083 41376 44206 45632 46128 51336 52992 53444 55168 59478 61504 62064 66309 68448 69192 71424 79304 80166 82752 88412 89217 91264 92256 102672 106888 110336 118956 120249 123008 124128 132618 136896 138384 158608 160332 165504 176824 178434 182528 184512 198927 205344 213776 237912 240498 246016 248256 265236 273792 276768 307303 317216 320664 331008 353648 356868 369024 397854 410688 414191 427552 475824 480996 496512 530472 547584 553536 614606 634432 641328 707296 713736 738048 795708 821376 828382 855104 921909 951648 961992 993024 1060944 1107072 1229212 1242573 1268864 1282656 1414592 1427472 1591416 1642752 1656764 1710208 1843818 1903296 1923984 2121888 2214144 2458424 2485146 2537728 2565312 2765727 2829184 2854944 3182832 3313528 3420416 3687636 3727719 3806592 3847968 4243776 4916848 4970292 5130624 5531454 5658368 5709888 6365664 6627056 7375272 7455438 7613184 7695936 8487552 9526393 9833696 9940584 10261248 11062908 11419776 12731328 13254112 14750544 14910876 15391872 16975104 19052786 19667392 19881168 22125816 22839552 25462656 26508224 28579179 29501088 29821752 30783744 38105572 39334784 39762336 44251632 50925312 53016448 57158358 59002176 59643504 76211144 78669568 79524672 85737537 88503264 106032896 114316716 118004352 119287008 152422288 159049344 171475074 177006528 228633432 236008704 238574016 304844576 318098688 342950148 354013056 457266864 477148032 609689152 685900296 708026112 914533728 954296064 1219378304 1371800592 1829067456 2438756608 2743601184 3658134912 5487202368 7316269824 10974404736 21948809472
• Sum of all divisors σ(n): 68392501632
• Sum of proper divisors (its aliquot sum) s(n): 46443692160
• 21948809472 is an abundant number, because the sum of its proper divisors (46443692160) is greater than itself. Its abundance is 24494882688

Bases of 21948809472

• Binary: 10100011100010000000100000100000000₂
• Hexadecimal: 0x51C404100
• Base-36: A2ZR5S0

Squares and roots of 21948809472

• 21948809472 squared (21948809472²) is 481750237238156918784
• 21948809472 cubed (21948809472³) is 10573844170231105698828593922048
• The square root of 21948809472 is 148151.3060084183
• The cube root of 21948809472 is 2799.8643417269

Scales and comparisons

• 21,948,809,472 seconds is equal to 697 years, 47 weeks, 3 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,948,809,472 would take you about one thousand, three hundred ninety-five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21948809472 cubic inches would be around 233.3 feet tall.

Recreational maths with 21948809472

• 21948809472 backwards is 27490884912
• The number of decimal digits it has is: 11
• The sum of 21948809472's digits is 54
• More coming soon!